Physics
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..843l&link_type=abstract
In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed
Physics
Meteorite Craters
Scientific paper
A multidisciplinary investigation of the Tunguska site has been carried out in July 14-29, 1999 by the Tunguska99 expedition. In this framework, the remote sensing of a 300-km2 area near the explosion epicenter has been performed. The photos have been taken in the scale 1:8000 and 1:14000. In parallel, a line scanner made simultaneously a survey in 6 spectral bands, from optical to thermal infrared. All the pictures of these surveys have now been digitalized and archived. We have digitalized also the aerophotographic survey carried out in 1938. A third database used in our investigations is the forest devastation data collected on-site by Fast and coworkers during 12 different expeditions from 1958 up to 1979. Our aims are to estimate with higher precision the energy released by the explosion and its height, to recalculate the position of the epicentre or of the epicentres, and to obtain a 3-D Digital Terrain Model (DTM) on the central devastated area.
di Martino Mario
Longo Giuseppe
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